Heating pad controller



FIG. 1 is a top, front, and left side perspective view of a heating pad controller showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof, the left side being a mirror image of that shown;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a front elevational view thereof.

The broken-line elements shown in the views form no part of the claimed design. 

The ornamental design for a heating pad controller, as shown and described. 